PerformanceStudio
Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension. Built-in MCP server for AI-assisted plan review.
109stars
18forks
C#
Added 3/19/2026
MCP Serversavaloniaclicross-platformdatabase-performancedba-tools
Installation
# Add to your Claude Code skills
git clone https://github.com/erikdarlingdata/PerformanceStudioPerformance Studio
A cross-platform SQL Server execution plan analyzer with built-in MCP server for AI-assisted analysis. Parses .sqlplan XML, identifies performance problems, suggests missing indexes, and provides actionable warnings — from the command line or a desktop GUI.
Built for developers and DBAs who want fast, automated plan analysis without clicking through SSMS.
Screenshots
Query Editor
Write queries with syntax highlighting and SQL keyword completion, connect to any SQL Server, and capture plans with one click.
Actual Execution Plan with Plan Insights
Graphical plan tree with SSMS-style operator icons, cost percentages, row counts, and warning badges. The Plan Insights panel shows runtime summary, missing indexes, parameters, and wait stats at a glance.
Multi-Statement Navigation
Navigate stored procedures and batches with multiple statements. Click any statement in the grid to jump to its plan. Plan Insights shows parameters with compiled vs runtime values.
Operator Tooltip and Properties
Hover over any operator for a detailed tooltip with costs, rows, I/O, timing, parallelism, and warnings. Click to open the full properties panel with per-thread timing, predicates, and more.
Advice for Humans
One-click text report with server context, warnings, wait stats, and expensive operators — ready to read or share.
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